Class 7 - Properties Of Triangle Worksheet - 3
1. If the measures of the angles of a triangle are (2p)°, (3p − 15)° and (4p − 12)°. Then the value of 'p' is _____.
a) 12 b) 20
c) 23 d) 25
2. The angles of a triangle are in the ratio 2 : 3 : 5. The measure of the largest angle is _____.
a) 30° b) 36°
c) 54° d) 90°
3. In a triangle PQR, if 2∠P = 3∠Q = 6∠R, then find the measure of all the angles.
a) ∠P = 90°, ∠Q = 30°, ∠R = 60°
b) ∠P = 90°, ∠Q = 60°, ∠R = 30°
c) ∠P = 30°, ∠Q = 90°, ∠R = 60°
d) ∠P = 60°, ∠Q = 30°, ∠R = 90°
4. In a triangle XYZ, If ∠X − ∠Y = 33° and ∠Y − ∠Z = 18°, then find the value of ∠X, ∠Y and ∠Z.
a) ∠X = 88°, ∠Y = 37°, ∠Z = 55°
b) ∠X = 37°, ∠Y = 55°, ∠Z = 88°
c) ∠X = 37°, ∠Y = 88°, ∠Z = 55°
d) ∠X = 88°, ∠Y = 55°, ∠Z = 37°
5. Find the value of 'x' and 'y' in the below given figure.
a) x = 110°, y = 80°° b) x = 80°, y = 110°
c) x = 100°, y = 70°° d) x = 70°, y = 100°
6. One of the exterior angles of a triangle is 120°, and the interior opposite angles are equal to each other. What is the measure of these two angles?
a) 30° b) 36°
c) 54° d) 60°
7. Find the value of 'p' and 'q' in the below given figure.
a) 50° b) 36°
c) 30° d) 60°
8. Find the value of 'p', 'q', and 'r' in the below given figure.
a) p = 88°, q = 37°, r = 55°
b) p = 80°, q = 40°, r = 60°
c) p = 90°, q = 40°, r = 60°
d) p = 80°, q = 60°, r = 40°
9. In the below given figure, ∠ADB = 90°, AB = 17 cm, AC = 25 cm and AD = 15 cm. Find the value of BD.
a) 12 cm b) 20 cm
c) 23 cm d) 28 cm
10. Find the value of 'p' and 'q' in the below given figure.
a) p = 110°, q = 40° b) p = 140°, q = 110°
c) p = 40°, q = 110° d) p = 110°, q = 140°
11. In the isosceles triangle, the vertical angle is 30° more than each of its base angles. Find all the angles.
a) 60°, 60°, 60° b) 40°, 40°, 100°
c) 50°, 50°, 80° d) 30°, 30°, 120°
12. Find the value of 'x' and 'y' in the below given figure.
a) x = 60°, y = 90° b) x = 80°, y = 90°
c) x = 90°, y = 60° d) x = 70°, y = 90°
13. Find the perimeter of a triangle having sides as 15 cm, 12 cm, and 20 cm.
a) 12 cm b) 47 cm
c) 27 cm d) 28 cm
14. Find the area of a rectangle whose length is 8 cm and diagonal length is 10 cm.
a) 20 cm2 b) 40 cm2
c) 30 cm2 d) 60 cm2
15. Find all the angles of an isosceles right-angled triangle.
a) 60°, 60°, 60° b) 45°, 45°, 90°
c) 50°, 50°, 80° d) 30°, 30°, 120°
16. The difference of the length of any two sides of a triangle is greater than the length of the third sites. Mark True / False.
a) True b) False
17. A right angled triangle can have same base and height. Mark True / False.
a) True b) False
18. Any angles of an equilateral triangle can be 45o. Mark True / False.
a) True b) False
19. Every equilateral triangle can be an isosceles triangle. Mark True / False.
a) True b) False
20. In a right-angled triangle, the sum of two acute angles is greater than 90o. Mark True / False.
a) True b) False
If you want to download the above worksheet, please click below link.
Properties of Triangle Worksheet-3Download the pdf
Properties of Triangle Worksheet - 1
Properties of Triangle Worksheet - 2
Properties of Triangle Worksheet - 3
Answer Sheet
Properties-Of-Triangle-AnswerDownload the pdf
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